package com.itheima.controller;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/hello")
public class BookController {

    @GetMapping("")
    public String hello(){
        System.out.println("输出OK");
        return "OK2";
    }

}
